Home / 7,031.81-10,547.62-2,101.34

Finding the Fourth Proportional to 7,031.81, 10,547.62 and 2,101.34

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Solution

The fourth proportional to 7,031.81, 10,547.62 and 2,101.34 is: 3,151.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,031.81 : 10,547.62 = 2,101.34 : x
  2. Step 2: Convert to fraction form
    7,031.81/10,547.62 = 2,101.34/x
  3. Step 3: Cross multiply
    7,031.81x = 10,547.62 × 2,101.34
  4. Step 4: Simplify right side
    7,031.81x = 22,164,156.93
  5. Step 5: Solve for x
    x = 22,164,156.93/7,031.81
  6. Step 6: Final answer
    x = 3,151.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.